#
# Copyright (c) 2022-2024, Arm Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#

BL2_AT_EL3		:=	1

STM32MP_EARLY_CONSOLE	?=	0
STM32MP_RECONFIGURE_CONSOLE ?=	0
STM32MP_UART_BAUDRATE	?=	115200

# Add specific ST version
ST_VERSION 		:=	r2.0
ST_GIT_SHA1		:=	$(shell git rev-parse --short=8 HEAD 2>/dev/null)
VERSION_STRING		:=	v${VERSION_MAJOR}.${VERSION_MINOR}-${PLAT}-${ST_VERSION}(${BUILD_TYPE}):${BUILD_STRING}(${ST_GIT_SHA1})

TRUSTED_BOARD_BOOT	?=	0
STM32MP_USE_EXTERNAL_HEAP ?=	0

# Use secure library from the ROM code for authentication
STM32MP_CRYPTO_ROM_LIB	?=	0

# Please don't increment this value without good understanding of
# the monotonic counter
STM32_TF_VERSION	?=	0

# Enable dynamic memory mapping
PLAT_XLAT_TABLES_DYNAMIC :=	1

# STM32 image header binary type for BL2
STM32_HEADER_BL2_BINARY_TYPE:=	0x10

TF_CFLAGS		+=	-Wsign-compare
TF_CFLAGS		+=	-Wformat-signedness

# Number of TF-A copies in the device
STM32_TF_A_COPIES		:=	2

# PLAT_PARTITION_MAX_ENTRIES must take care of STM32_TF-A_COPIES and other partitions
PLAT_PARTITION_MAX_ENTRIES	:=	$(shell echo $$(($(STM32_TF_A_COPIES) + $(STM32_EXTRA_PARTS))))

ifeq (${PSA_FWU_SUPPORT},1)
# Number of banks of updatable firmware
NR_OF_FW_BANKS			:=	2
NR_OF_IMAGES_IN_FW_BANK		:=	1
JSON_METADATA			?=	plat/st/common/default_metadata.json

$(eval $(call GEN_METADATA,${JSON_METADATA},${BUILD_PLAT}/metadata.bin))

FWU_MAX_PART = $(shell echo $$(($(STM32_TF_A_COPIES) + 2 + $(NR_OF_FW_BANKS))))
ifeq ($(shell test $(FWU_MAX_PART) -gt $(PLAT_PARTITION_MAX_ENTRIES); echo $$?),0)
$(error "Required partition number is $(FWU_MAX_PART) where PLAT_PARTITION_MAX_ENTRIES is only \
$(PLAT_PARTITION_MAX_ENTRIES)")
endif
endif

# Boot devices
STM32MP_EMMC		?=	0
STM32MP_SDMMC		?=	0
STM32MP_RAW_NAND	?=	0
STM32MP_SPI_NAND	?=	0
STM32MP_SPI_NOR		?=	0
STM32MP_HYPERFLASH	?=	0
STM32MP_EMMC_BOOT	?=	0

# Serial boot devices
STM32MP_UART_PROGRAMMER	?=	0
STM32MP_USB_PROGRAMMER	?=	0

$(eval DTC_V = $(shell $(DTC) -v | awk '{print $$NF}'))
$(eval DTC_VERSION = $(shell printf "%d" $(shell echo ${DTC_V} | cut -d- -f1 | sed "s/\./0/g" | grep -o "[0-9]*")))
DTC_CPPFLAGS		+=	${INCLUDES}
DTC_FLAGS		+=	-Wno-unit_address_vs_reg
ifeq ($(shell test $(DTC_VERSION) -ge 10601; echo $$?),0)
DTC_FLAGS		+=	-Wno-interrupt_provider
endif

TFA_EXTERNAL_DT		?=	fdts/external-dt/tf-a

# Macros and rules to build TF binary
STM32_TF_ELF_LDFLAGS	:=	--hash-style=gnu --as-needed
STM32_TF_LINKERFILE	:=	${BUILD_PLAT}/${PLAT}.ld

ASFLAGS			+= -DBL2_BIN_PATH=\"${BUILD_PLAT}/bl2.bin\"

# Variables for use with stm32image
STM32IMAGEPATH		?= tools/stm32image
STM32IMAGE		?= ${STM32IMAGEPATH}/stm32image${BIN_EXT}
STM32IMAGE_SRC		:= ${STM32IMAGEPATH}/stm32image.c
STM32_DEPS		+= ${STM32IMAGE}

FIP_DEPS		+=	dtbs
STM32MP_HW_CONFIG	:=	${BL33_CFG}

# Add the HW_CONFIG to FIP and specify the same to certtool
$(eval $(call TOOL_ADD_PAYLOAD,${STM32MP_HW_CONFIG},--hw-config))

$(eval $(call CERT_ADD_CMD_OPT,${BUILD_PLAT}/bl2.bin,--tb-fw))
CRT_DEPS+=${BUILD_PLAT}/bl2.bin

# Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images
# in the FIP if the platform requires.
ifneq ($(BL32_EXTRA1),)
$(eval $(call TOOL_ADD_IMG,BL32_EXTRA1,--tos-fw-extra1,,$(ENCRYPT_BL32)))
endif
ifneq ($(BL32_EXTRA2),)
$(eval $(call TOOL_ADD_IMG,BL32_EXTRA2,--tos-fw-extra2,,$(ENCRYPT_BL32)))
endif

# Enable flags for C files
$(eval $(call assert_booleans,\
	$(sort \
		PLAT_XLAT_TABLES_DYNAMIC \
		STM32MP_EARLY_CONSOLE \
		STM32MP_EMMC \
		STM32MP_EMMC_BOOT \
		STM32MP_HYPERFLASH \
		STM32MP_RAW_NAND \
		STM32MP_RECONFIGURE_CONSOLE \
		STM32MP_SDMMC \
		STM32MP_SPI_NAND \
		STM32MP_SPI_NOR \
		STM32MP_UART_PROGRAMMER \
		STM32MP_USB_PROGRAMMER \
)))

$(eval $(call assert_numerics,\
	$(sort \
		STM32_TF_VERSION \
		STM32MP_UART_BAUDRATE \
)))

$(eval $(call add_defines,\
	$(sort \
		PLAT_XLAT_TABLES_DYNAMIC \
		STM32_TF_VERSION \
		STM32MP_EARLY_CONSOLE \
		STM32MP_EMMC \
		STM32MP_EMMC_BOOT \
		STM32MP_HYPERFLASH \
		STM32MP_RAW_NAND \
		STM32MP_RECONFIGURE_CONSOLE \
		STM32MP_SDMMC \
		STM32MP_SPI_NAND \
		STM32MP_SPI_NOR \
		STM32MP_UART_BAUDRATE \
		STM32MP_UART_PROGRAMMER \
		STM32MP_USB_PROGRAMMER \
)))

# Include paths and source files
PLAT_INCLUDES		+=	-Iplat/st/common/include/

include lib/fconf/fconf.mk
include lib/libfdt/libfdt.mk
include lib/zlib/zlib.mk
ifeq (${PSA_FWU_SUPPORT},1)
include drivers/fwu/fwu.mk
endif

PLAT_BL_COMMON_SOURCES	+=	common/uuid.c						\
				plat/st/common/stm32mp_common.c


include lib/xlat_tables_v2/xlat_tables.mk
PLAT_BL_COMMON_SOURCES	+=	${XLAT_TABLES_LIB_SRCS}

PLAT_BL_COMMON_SOURCES	+=	drivers/clk/clk.c					\
				drivers/delay_timer/delay_timer.c			\
				drivers/delay_timer/generic_delay_timer.c		\
				drivers/st/clk/stm32mp_clkfunc.c			\
				drivers/st/ddr/stm32mp_ddr.c				\
				drivers/st/gpio/stm32_gpio.c				\
				drivers/st/nvmem/nvmem.c				\
				drivers/st/nvmem/stm32mp_tamp_nvram_core.c		\
				drivers/st/regulator/regulator_core.c			\
				drivers/st/regulator/regulator_fixed.c			\
				drivers/st/regulator/regulator_gpio.c			\
				plat/st/common/stm32mp_dt.c				\
				plat/st/common/stm32mp_fconf_fuse.c

BL2_SOURCES		+=	${FCONF_SOURCES} ${FCONF_DYN_SOURCES}
BL2_SOURCES		+=	$(ZLIB_SOURCES)

BL2_SOURCES		+=	drivers/io/io_fip.c					\
				plat/st/common/bl2_io_storage.c				\
				plat/st/common/stm32mp_fconf_io.c

BL2_SOURCES		+=	drivers/io/io_block.c					\
				drivers/io/io_mtd.c					\
				drivers/io/io_storage.c

ifeq (${TRUSTED_BOARD_BOOT},1)
AUTH_SOURCES		:=	drivers/auth/auth_mod.c					\
				drivers/auth/crypto_mod.c				\
				drivers/auth/img_parser_mod.c

ifeq (${GENERATE_COT},1)
TFW_NVCTR_VAL		:=	0
NTFW_NVCTR_VAL		:=	0
KEY_SIZE		:=
KEY_ALG			:=	ecdsa
HASH_ALG		:=	sha256

ifeq (${SAVE_KEYS},1)
TRUSTED_WORLD_KEY	?=	${BUILD_PLAT}/trusted.pem
NON_TRUSTED_WORLD_KEY	?=	${BUILD_PLAT}/non-trusted.pem
BL32_KEY		?=	${BUILD_PLAT}/trusted_os.pem
BL33_KEY		?=	${BUILD_PLAT}/non-trusted_os.pem
endif

endif
TF_MBEDTLS_KEY_ALG 	:=	ecdsa
MBEDTLS_CONFIG_FILE	?=	"<stm32mp_mbedtls_config.h>"

include drivers/auth/mbedtls/mbedtls_x509.mk

COT_DESC_IN_DTB		:=	1
AUTH_SOURCES		+=	lib/fconf/fconf_cot_getter.c				\
				lib/fconf/fconf_tbbr_getter.c				\
				plat/st/common/stm32mp_crypto_lib.c

BL2_SOURCES		+=	$(AUTH_SOURCES)						\
				plat/st/common/stm32mp_trusted_boot.c
endif

ifneq (${DECRYPTION_SUPPORT},none)
BL2_SOURCES		+=	drivers/io/io_encrypted.c
endif

ifneq ($(filter 1,${STM32MP_EMMC} ${STM32MP_SDMMC}),)
BL2_SOURCES		+=	drivers/mmc/mmc.c					\
				drivers/partition/gpt.c					\
				drivers/partition/partition.c				\
				drivers/st/io/io_mmc.c
endif

ifneq ($(filter 1,${STM32MP_SPI_NAND} ${STM32MP_SPI_NOR}),)
BL2_SOURCES		+=	drivers/mtd/spi-mem/spi_mem.c
endif

ifeq (${STM32MP_RAW_NAND},1)
$(eval $(call add_define_val,NAND_ONFI_DETECT,1))
BL2_SOURCES		+=	drivers/mtd/nand/raw_nand.c
endif

ifeq (${STM32MP_SPI_NAND},1)
BL2_SOURCES		+=	drivers/mtd/nand/spi_nand.c
endif

ifeq (${STM32MP_SPI_NOR},1)
ifneq (${STM32MP_FORCE_MTD_START_OFFSET},)
$(eval $(call add_define_val,STM32MP_NOR_FIP_OFFSET,${STM32MP_FORCE_MTD_START_OFFSET}))
endif
BL2_SOURCES		+=	drivers/mtd/nor/spi_nor.c
endif

ifneq ($(filter 1,${STM32MP_RAW_NAND} ${STM32MP_SPI_NAND}),)
ifneq (${STM32MP_FORCE_MTD_START_OFFSET},)
$(eval $(call add_define_val,STM32MP_NAND_FIP_OFFSET,${STM32MP_FORCE_MTD_START_OFFSET}))
endif
BL2_SOURCES		+=	drivers/mtd/nand/core.c
endif

ifeq (${STM32MP_HYPERFLASH},1)
ifneq (${STM32MP_FORCE_MTD_START_OFFSET},)
$(eval $(call add_define_val,STM32MP_HYPERFLASH_FIP_OFFSET,${STM32MP_FORCE_MTD_START_OFFSET}))
endif
BL2_SOURCES		+=	drivers/mtd/hyperflash/hyperflash.c
endif

ifneq ($(filter 1,${STM32MP_UART_PROGRAMMER} ${STM32MP_USB_PROGRAMMER}),)
BL2_SOURCES		+=	drivers/io/io_memmap.c
endif

ifeq (${STM32MP_UART_PROGRAMMER},1)
BL2_SOURCES		+=	plat/st/common/stm32cubeprogrammer_uart.c
endif

ifeq (${STM32MP_USB_PROGRAMMER},1)
BL2_SOURCES		+=	drivers/usb/usb_device.c				\
				plat/st/common/stm32cubeprogrammer_usb.c		\
				plat/st/common/usb_dfu.c
endif

BL2_SOURCES		+=	drivers/st/ddr/stm32mp_ddr_test.c			\
				drivers/st/ddr/stm32mp_ram.c

BL2_SOURCES		+=	common/desc_image_load.c

BL2_SOURCES		+=	lib/optee/optee_utils.c
